aboutsummaryrefslogtreecommitdiffstats
path: root/functest/opnfv_tests/vnf/epc/juju_epc.py
blob: 689791862c97b7d70cb971fd7bc7ea5dbdca6f2a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
#!/usr/bin/env python

# Copyright (c) 2016 Rebaca and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
"""Juju testcase implementation."""

import errno
import logging
import os
import time
import json
import sys
import uuid
from copy import deepcopy
from urlparse import urljoin
import pkg_resources
import yaml

from functest.core import vnf
from functest.opnfv_tests.openstack.snaps import snaps_utils
from functest.utils.constants import CONST

from snaps.config.flavor import FlavorConfig
from snaps.config.image import ImageConfig
from snaps.config.network import NetworkConfig, SubnetConfig
from snaps.config.router import RouterConfig
from snaps.config.security_group import (
    Direction, Protocol, SecurityGroupConfig, SecurityGroupRuleConfig)
from snaps.config.user import UserConfig
from snaps.openstack.create_flavor import OpenStackFlavor
from snaps.openstack.create_image import OpenStackImage
from snaps.openstack.create_network import OpenStackNetwork
from snaps.openstack.create_router import OpenStackRouter
from snaps.openstack.create_security_group import OpenStackSecurityGroup
from snaps.openstack.create_user import OpenStackUser
from snaps.openstack.utils import keystone_utils
from snaps.openstack.utils import nova_utils

__author__ = "Amarendra Meher <amarendra@rebaca.com>"
__author__ = "Soumaya K Nayek <soumaya.nayek@rebaca.com>"

CLOUD_TEMPLATE = """clouds:
  abot-epc:
    type: openstack
    auth-types: [userpass]
    endpoint: {url}
    regions:
      {region}:
        endpoint: {url}"""

CREDS_TEMPLATE2 = """credentials:
  abot-epc:
    default-credential: abot-epc
    abot-epc:
      auth-type: userpass
      password: {pass}
      project-domain-name: {project_domain_n}
      tenant-name: {tenant_n}"""

CREDS_TEMPLATE3 = """credentials:
  abot-epc:
    default-credential: abot-epc
    abot-epc:
      auth-type: userpass
      password: {pass}
      project-domain-name: {project_domain_n}
      tenant-name: {tenant_n}
      user-domain-name: {user_domain_n}
      username: {user_n}"""


class JujuEpc(vnf.VnfOnBoarding):
    # pylint:disable=too-many-instance-attributes
    """Abot EPC deployed with JUJU Orchestrator Case"""

    __logger = logging.getLogger(__name__)

    def __init__(self, **kwargs):
        if "case_name" not in kwargs:
            kwargs["case_name"] = "juju_epc"
        super(JujuEpc, self).__init__(**kwargs)

        # Retrieve the configuration
        self.case_dir = pkg_resources.resource_filename(
            'functest', 'opnfv_tests/vnf/epc')
        try:
            self.config = getattr(
                CONST, 'vnf_{}_config'.format(self.case_name))
        except Exception:
            raise Exception("VNF config file not found")
        self.config_file = os.path.join(self.case_dir, self.config)
        self.orchestrator = dict(requirements=get_config(
            "orchestrator.requirements", self.config_file))

        self.created_object = []
        self.details['orchestrator'] = dict(
            name=get_config("orchestrator.name", self.config_file),
            version=get_config("orchestrator.version", self.config_file),
            status='ERROR',
            result=''
        )

        self.vnf = dict(
            descriptor=get_config("vnf.descriptor", self.config_file),
            requirements=get_config("vnf.requirements", self.config_file)
        )
        self.details['vnf'] = dict(
            descriptor_version=self.vnf['descriptor']['version'],
            name=get_config("vnf.name", self.config_file),
            version=get_config("vnf.version", self.config_file),
        )
        self.__logger.debug("VNF configuration: %s", self.vnf)

        self.details['test_vnf'] = dict(
            name=get_config("vnf_test_suite.name", self.config_file),
            version=get_config("vnf_test_suite.version", self.config_file),
            tag_name=get_config("vnf_test_suite.tag_name", self.config_file)
        )
        self.public_auth_url = None

        self.res_dir = os.path.join(
            getattr(CONST, 'dir_results'), self.case_name)

    def _bypass_juju_network_discovery_bug(self, name):
        user_creator = OpenStackUser(
            self.snaps_creds,
            UserConfig(
                name=name, password=str(uuid.uuid4()),
                roles={'_member_': self.tenant_name}))
        user_creator.create()
        self.created_object.append(user_creator)
        return user_creator

    def _register_cloud(self):
        self.__logger.info("Creating Cloud for Abot-epc .....")
        clouds_yaml = os.path.join(self.res_dir, "clouds.yaml")
        cloud_data = {
            'url': self.public_auth_url,
            'region': self.snaps_creds.region_name}
        with open(clouds_yaml, 'w') as yfile:
            yfile.write(CLOUD_TEMPLATE.format(**cloud_data))
        if os.system(
                'juju add-cloud abot-epc -f {} --replace'.format(clouds_yaml)):
            raise vnf.VnfPreparationException

    def _register_credentials_v2(self):
        self.__logger.info("Creating Credentials for Abot-epc .....")
        user_creator = self._bypass_juju_network_discovery_bug(
            'juju_network_discovery_bug')
        snaps_creds = user_creator.get_os_creds(self.snaps_creds.project_name)
        credentials_yaml = os.path.join(self.res_dir, "credentials.yaml")
        creds_data = {
            'pass': snaps_creds.password,
            'tenant_n': snaps_creds.project_name,
            'user_n': snaps_creds.username}
        with open(credentials_yaml, 'w') as yfile:
            yfile.write(CREDS_TEMPLATE2.format(**creds_data))
        if os.system(
                'juju add-credential abot-epc -f {} --replace'.format(
                    credentials_yaml)):
            raise vnf.VnfPreparationException

    def _register_credentials_v3(self):
        self.__logger.info("Creating Credentials for Abot-epc .....")
        user_creator = self._bypass_juju_network_discovery_bug(
            'juju_network_discovery_bug')
        snaps_creds = user_creator.get_os_creds(self.snaps_creds.project_name)
        credentials_yaml = os.path.join(self.res_dir, "credentials.yaml")
        creds_data = {
            'pass': snaps_creds.password,
            'tenant_n': snaps_creds.project_name,
            'user_n': snaps_creds.username,
            'project_domain_n': snaps_creds.project_domain_name,
            'user_domain_n': snaps_creds.user_domain_name}
        with open(credentials_yaml, 'w') as yfile:
            yfile.write(CREDS_TEMPLATE3.format(**creds_data))
        if os.system(
                'juju add-credential abot-epc -f {} --replace'.format(
                    credentials_yaml)):
            raise vnf.VnfPreparationException

    def _add_custom_rule(self, sec_grp_name):
        """ To add custom rule for SCTP Traffic """
        sec_grp_rules = list()
        sec_grp_rules.append(
            SecurityGroupRuleConfig(
                sec_grp_name=sec_grp_name, direction=Direction.ingress,
                protocol=Protocol.sctp))
        security_group = OpenStackSecurityGroup(
            self.snaps_creds,
            SecurityGroupConfig(
                name=sec_grp_name,
                rule_settings=sec_grp_rules))
        security_group.create()
        self.created_object.append(security_group)

    def prepare(self):
        """Prepare testcase (Additional pre-configuration steps)."""
        self.__logger.info("Additional pre-configuration steps")
        super(JujuEpc, self).prepare()
        try:
            os.makedirs(self.res_dir)
        except OSError as ex:
            if ex.errno != errno.EEXIST:
                self.__logger.exception("Cannot create %s", self.res_dir)
                raise vnf.VnfPreparationException
        self.public_auth_url = keystone_utils.get_endpoint(
            self.snaps_creds, 'identity')
        # it enforces a versioned public identity endpoint as juju simply
        # adds /auth/tokens wich fails vs an unversioned endpoint.
        if not self.public_auth_url.endswith(('v3', 'v3/', 'v2.0', 'v2.0/')):
            self.public_auth_url = urljoin(self.public_auth_url, 'v3')
        self._register_cloud()
        if self.snaps_creds.identity_api_version == 3:
            self._register_credentials_v3()
        else:
            self._register_credentials_v2()

    def deploy_orchestrator(self):  # pylint: disable=too-many-locals
        """
        Create network, subnet, router

        Bootstrap juju
        """
        self.__logger.info("Deployed Orchestrator")
        private_net_name = getattr(
            CONST, 'vnf_{}_private_net_name'.format(self.case_name))
        private_subnet_name = getattr(
            CONST, 'vnf_{}_private_subnet_name'.format(self.case_name))
        private_subnet_cidr = getattr(
            CONST, 'vnf_{}_private_subnet_cidr'.format(self.case_name))
        abot_router = getattr(
            CONST, 'vnf_{}_external_router'.format(self.case_name))

        self.__logger.info("Creating full network ...")
        subnet_settings = SubnetConfig(
            name=private_subnet_name, cidr=private_subnet_cidr)
        network_settings = NetworkConfig(
            name=private_net_name, subnet_settings=[subnet_settings])
        network_creator = OpenStackNetwork(self.snaps_creds, network_settings)
        net_id = network_creator.create().id
        self.created_object.append(network_creator)

        ext_net_name = snaps_utils.get_ext_net_name(self.snaps_creds)
        self.__logger.info("Creating network Router ....")
        router_creator = OpenStackRouter(
            self.snaps_creds, RouterConfig(
                name=abot_router,
                external_gateway=ext_net_name,
                internal_subnets=[subnet_settings.name]))
        router_creator.create()
        self.created_object.append(router_creator)
        self.__logger.info("Creating Flavor ....")
        flavor_settings = FlavorConfig(
            name=self.orchestrator['requirements']['flavor']['name'],
            ram=self.orchestrator['requirements']['flavor']['ram_min'],
            disk=10, vcpus=1)
        flavor_creator = OpenStackFlavor(self.snaps_creds, flavor_settings)
        flavor_creator.create()
        self.created_object.append(flavor_creator)
        self.__logger.info("Upload some OS images if it doesn't exist")
        images = get_config("tenant_images", self.config_file)
        self.__logger.info("Images needed for vEPC: %s", images)
        for image_name, image_file in images.iteritems():
            self.__logger.info("image: %s, file: %s", image_name, image_file)
            if image_file and image_name:
                image_creator = OpenStackImage(self.snaps_creds, ImageConfig(
                    name=image_name, image_user='cloud', img_format='qcow2',
                    image_file=image_file))
                image_id = image_creator.create().id
                os.system(
                    'juju metadata generate-image -d ~ -i {} -s {} -r '
                    '{} -u {}'.format(
                        image_id, image_name, self.snaps_creds.region_name,
                        self.public_auth_url))
                self.created_object.append(image_creator)
        self.__logger.info("Network ID  : %s", net_id)
        juju_bootstrap_command = (
            'juju bootstrap abot-epc abot-controller --config network={} '
            '--metadata-source ~  --config ssl-hostname-verification=false '
            '--constraints mem=2G --bootstrap-series xenial '
            '--config use-floating-ip=true --debug '
            '--config use-default-secgroup=true'.format(net_id))
        os.system(juju_bootstrap_command)
        return True

    def deploy_vnf(self):
        """Deploy ABOT-OAI-EPC."""
        self.__logger.info("Upload VNFD")
        descriptor = self.vnf['descriptor']
        self.__logger.info("Get or create flavor for all Abot-EPC")
        flavor_settings = FlavorConfig(
            name=self.vnf['requirements']['flavor']['name'],
            ram=self.vnf['requirements']['flavor']['ram_min'],
            disk=10,
            vcpus=1)
        flavor_creator = OpenStackFlavor(self.snaps_creds, flavor_settings)
        flavor_creator.create()
        self.created_object.append(flavor_creator)
        self.__logger.info("Deploying Abot-epc bundle file ...")
        os.system('juju deploy {}'.format('/' + descriptor.get('file_name')))
        self.__logger.info("Waiting for instances .....")
        status = os.system('juju-wait')
        self.__logger.info("juju wait completed: %s", status)
        self.__logger.info("Deployed Abot-epc on Openstack")
        nova_client = nova_utils.nova_client(self.snaps_creds)
        if status == 0:
            instances = get_instances(nova_client)
            self.__logger.info("List of Instance: %s", instances)
            for items in instances:
                metadata = get_instance_metadata(nova_client, items)
                if 'juju-units-deployed' in metadata:
                    sec_group = ('juju-' +
                                 metadata['juju-controller-uuid'] +
                                 '-' + metadata['juju-model-uuid'])
                    self.__logger.info("Instance: %s", sec_group)
                    break
            self.__logger.info("Adding Security group rule....")
            # This will add sctp rule to a common Security Group Created
            # by juju and shared to all deployed units.
            self._add_custom_rule(sec_group)
            self.__logger.info("Copying the feature files to Abot_node ")
            os.system('juju scp -- -r {}/featureFiles abot-'
                      'epc-basic/0:~/'.format(self.case_dir))
            self.__logger.info("Copying the feature files in Abot_node ")
            os.system("juju ssh abot-epc-basic/0 'sudo rsync -azvv "
                      "~/featureFiles /etc/rebaca-test-suite"
                      "/featureFiles'")
            count = 0
            while count < 10:
                epcstatus = os.system('juju status oai-epc | '
                                      'grep {} | grep {} | grep {}'
                                      .format('EPC', 'is', 'running'))
                if epcstatus == 0:
                    break
                else:
                    time.sleep(60)
                    count = count + 1
            os.system('juju-wait')
            return True
        return False

    def test_vnf(self):
        """Run test on ABoT."""
        start_time = time.time()
        self.__logger.info("Running VNF Test cases....")
        os.system('juju run-action abot-epc-basic/0 run '
                  'tagnames={}'.format(self.details['test_vnf']['tag_name']))
        os.system('juju-wait')
        duration = time.time() - start_time
        self.__logger.info("Getting results from Abot node....")
        os.system('juju scp abot-epc-basic/0:/var/lib/abot-'
                  'epc-basic/artifacts/TestResults.json {}/.'
                  .format(self.case_dir))
        self.__logger.info("Parsing the Test results...")
        res = (process_abot_test_result('{}/TestResults.'
                                        'json'.format(self.case_dir)))
        short_result = sig_test_format(res)
        self.__logger.info(short_result)
        self.details['test_vnf'].update(status='PASS',
                                        result=short_result,
                                        full_result=res,
                                        duration=duration)

        self.__logger.info("Test VNF result: Passed: %d, Failed:"
                           "%d, Skipped: %d", short_result['passed'],
                           short_result['failures'], short_result['skipped'])
        return True

    def clean(self):
        """Clean created objects/functions."""
        try:
            if not self.orchestrator['requirements']['preserve_setup']:
                self.__logger.info("Removing deployment files...")
                testresult = os.path.join(self.case_dir, 'TestResults.json')
                if os.path.exists(testresult):
                    os.remove(testresult)
                self.__logger.info("Destroying Orchestrator...")
                os.system('juju destroy-controller -y abot-controller '
                          '--destroy-all-models')
        except Exception:  # pylint: disable=broad-except
            self.__logger.warn("Some issue during the undeployment ..")
            self.__logger.warn("Tenant clean continue ..")

        if not self.orchestrator['requirements']['preserve_setup']:
            self.__logger.info('Remove the Abot_epc OS object ..')
            super(JujuEpc, self).clean()

        return True


# ----------------------------------------------------------
#
#               YAML UTILS
#
# -----------------------------------------------------------
def get_config(parameter, file_path):
    """
    Returns the value of a given parameter in file.yaml
    parameter must be given in string format with dots
    Example: general.openstack.image_name
    """
    with open(file_path) as config_file:
        file_yaml = yaml.safe_load(config_file)
    config_file.close()
    value = file_yaml
    for element in parameter.split("."):
        value = value.get(element)
        if value is None:
            raise ValueError("The parameter %s is not defined in"
                             " reporting.yaml" % parameter)
    return value


def sig_test_format(sig_test):
    """
    Process the signaling result to have a short result
    """
    nb_passed = 0
    nb_failures = 0
    nb_skipped = 0
    for data_test in sig_test:
        if data_test['result'] == "passed":
            nb_passed += 1
        elif data_test['result'] == "failed":
            nb_failures += 1
        elif data_test['result'] == "skipped":
            nb_skipped += 1
    total_sig_test_result = {}
    total_sig_test_result['passed'] = nb_passed
    total_sig_test_result['failures'] = nb_failures
    total_sig_test_result['skipped'] = nb_skipped
    return total_sig_test_result


def process_abot_test_result(file_path):
    """ Process ABoT Result """
    with open(file_path) as test_result:
        data = json.load(test_result)
        res = []
        for tests in data:
            tests = update_data(tests)
            try:
                flatten_steps = tests['elements'][0].pop('flatten_steps')
                for steps in flatten_steps:
                    steps['result'] = steps['step_status']
                    res.append(steps)
            except:
                logging.error("Could not post data to ElasticSearch host")
                raise
        return res


def update_data(obj):
    """ Update Result data"""
    try:
        obj['feature_file'] = os.path.splitext(os.path.basename(obj['uri']))[0]

        for element in obj['elements']:
            element['final_result'] = "passed"
            element['flatten_steps'] = []

            for step in element['steps']:
                temp_dict = {}
                step['result'][step['result']['status']] = 1
                if step['result']['status'].lower() in ['fail', 'failed']:
                    element['final_result'] = "failed"

                temp_dict['feature_file'] = obj['feature_file']
                temp_dict['step_name'] = step['name']
                temp_dict['step_status'] = step['result']['status']
                temp_dict['step_duration'] = step['result'].get('duration', 0)
                temp_dict['step_' + step['result']['status']] = 1
                element['flatten_steps'].append(deepcopy(temp_dict))

            # Need to put the tag in OBJ and not ELEMENT
            if 'tags' in obj:
                element['tags'] = deepcopy(obj['tags'])
                for tag in obj['tags']:
                    element[tag['name']] = 1
            else:
                for tag in element['tags']:
                    element[tag['name']] = 1

    except Exception:  # pylint: disable=broad-except
        logging.error("Error in updating data, %s", sys.exc_info()[0])
        raise

    return obj


def get_instances(nova_client):
    """ To get all vm info of a project """
    try:
        instances = nova_client.servers.list()
        return instances
    except Exception as exc:  # pylint: disable=broad-except
        logging.error("Error [get_instances(nova_client)]: %s", exc)
        return None


def get_instance_metadata(nova_client, instance):
    """ Get instance Metadata - Instance ID """
    try:
        instance = nova_client.servers.get(instance.id)
        return instance.metadata
    except Exception as exc:  # pylint: disable=broad-except
        logging.error("Error [get_instance_status(nova_client)]: %s", exc)
        return None